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Mary Tucker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Tazewell-County, Illinois
Our Model Tree links this Mary Tucker across the 1920, 1930 and 1940 US Censuses in Tazewell-County, Illinois (XGBoost, ~Confirmed), with identified parents Edward & Ed — first a daughter (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tazewell-County, Illinois |
| Surname | Tucker |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Groveland Twp |
| 1935 Residence (County) | Tazewell |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Groveland Twp |
| Est. Birth Year | ~1917 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Tucker | Daughter | — | 23 | ~1917 |
| Betty Tucker | Daughter | — | 15 | ~1925 |
| Edward Tucker | Head | — | 54 | ~1886 |
| John Frye | Other | — | 25 | ~1915 |
| Edward Tucker | Son | — | 21 | ~1919 |
| Maryne Tucker | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Tazewell, Illinois
Other, age 2
Tazewell, Illinois · implied b. ~1918 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tucker |
| Given Name | Mary |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Tazewell, Illinois
Daughter, age 13
Tazewell, Illinois · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tucker |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Tazewell-County, Illinois
Daughter, age 23
Tazewell-County, Illinois · implied b. ~1917 — 6 household members
| Surname | Tucker |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Groveland Twp |
| 1935 Residence (County) | Tazewell |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Tucker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Tucker (~0.92 confidence) and father Ed Tucker (~0.92 confidence) and mother Maryne Tucker (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Tucker
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Ed Tucker
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Maryne Tucker
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Tucker
Daughter · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Betty Tucker
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Tucker
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Tazewell-County, Illinois
Open full size
1940 US Federal Census — Tazewell-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00894-00564)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph L. Mainz | 52 | Head | Cold Storage Operator | Illinois |
| 2 | Lillian Mainz | 48 | Wife | — | Illinois |
| 3 | George Jr. Schlag | 51 | Head | Janitor | New York |
| 4 | Annie P. Schlag | 55 | Wife | — | Illinois |
| 5 | Elizabeth Schlag | 19 | daughter | General Office Work | Illinois |
| 6 | Richard Schlag | 16 | son | — | Illinois |
| 7 | Walter Schlag | 14 | son | — | Illinois |
| 8 | William Schlag | 10 | son | — | Illinois |
| 9 | George Sr. Schlag | 76 | Father | — | Germany |
| 10 | Edward Tucker | 54 | Head | Car Foreman | Illinois |
| 11 | Maryne Tucker | 49 | Wife | — | Illinois |
| 12 | Mary Tucker THIS PERSON | 23 | daughter | — | Illinois |
| 13 | Edward Jr. Tucker | 21 | son | Laborer | Illinois |
| 14 | Betty Tucker | 15 | daughter | — | Illinois |
| 15 | John Frye | 25 | Hired hand | Farm Hand | Illinois |
| 16 | William Frye | 78 | Head | Farmer | Illinois |
| 17 | Henry Frye | 39 | Son | Acetylene Burner | Illinois |
| 18 | H. Huie Riley | 33 | Head | Machine Operator | Kentucky |
| 19 | Edith Riley | 32 | Wife | — | Kentucky |
| 20 | Sue Carolyn Riley | 10 | daughter | — | Kentucky |
| 21 | James B. Riley | 3 | son | — | Illinois |
| 22 | L. C. Aldridge | 56 | Head | Mail Operator | Illinois |
| 23 | Mary Aldridge | 52 | Wife | — | Illinois |
| 24 | Mildred Seeber | 29 | sister-in-law | Secretary | Illinois |
| 25 | Dora Jean Seeber | 10 | daughter | — | Illinois |
| 26 | Peter Nelson | 38 | Head | Machine Operator | N. Dakota |
| 27 | Maurice Nelson | 17 | Wife | — | Michigan |
| 28 | William Ufford | 25 | Head | Clerk | Illinois |
| 29 | Sue Ufford | 23 | Wife | Clerk | Illinois |
| 30 | Fred Ewick | 31 | Head | Crane Operator | Illinois |
| 31 | Lucille Ewick | 27 | Wife | — | Illinois |
| 32 | Jackie Ewick | 9 | son | — | Illinois |
| 33 | Patricia Ann Ewick | 7 | daughter | — | Illinois |
| 34 | Robert Entwistle | 34 | Head | Clerk | Illinois |
| 35 | Lona Entwistle | 30 | Wife | — | Illinois |
| 36 | Awalyn Entwistle | 2 | daughter | — | Illinois |
| 37 | Frank Kauffmann | 42 | Head | Machine Operator | Illinois |
| 38 | Catherine Kauffmann | 42 | Wife | — | Illinois |
| 39 | Kenneth Kauffmann | 15 | son | — | Illinois |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)